IEGF6-31919-1

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Circuit breakers are essential components in the electrical system, responsible for preventing the transmission line from overloading. IEGF6-31919-1 is designed specificially as a circuit breaker with excellent performance and wide applications. This article will discuss the application field and working principle of IEGF6-31919-1.

1. Application Field of IEGF6-31919-1

IEGF6-31919-1 is mainly used to protect transmission lines from overloading and short-circuiting. It has a wide application field, from low-voltage distribution system to ultra-high-voltage power grid. It is especially suitable for low-voltage and medium-voltage level substation. In the past, different type of circuit breakers are used to provide different levels of protection. With IEGF6-31919-1, the engineer can easily find a product that fits their purpose.

This breaker is also used to control the fault current. When a fault occurs on the line, this breaker will quickly disconnect the affected part of the line, limiting the damage that the fault can cause and preventing the fault current from cascading. In addition, IEGF6-31919-1 can also be used to regulate voltage and protect against line harmonies from inductive loads, such as electric motors.

2. Working Principle of IEGF6-31919-1

IEGF6-31919-1 works by sensing current on the line and then trips when the current reaches a specific set point. The current is sensed by a set of trip coils. When the current on the line increases, the magnetic field generated by the current increases, inducing an electric current in the trip coil. The electric current generates an electromagnetic field, which in turn actuates the trip mechanism.

The current threshold is programmed using a series of spring-loaded contacts. These contacts are arranged in a way that allows the threshold level to be adjusted without having to open the breaker. This makes it easier to tune the breaker to the appropriate operating level.

The trip mechanism then disconnects the line by mechanically forcing a set of contacts open. The contacts are normally held together by a spring, and the trip coil generates an electromagnetic field that overcomes the spring force and forces the contacts apart. This creates an open circuit, preventing the current from flowing.

In addition, IEGF6-31919-1 also includes devices that detect the amount of power flowing through the line. If the power reaches a certain level, the breaker will trip even if the current is not high enough to trip the trip coils. This helps to protect the line from power surges.

To re-energize the line after a trip, the breaker must be reset manually. This is done with a reset key, which must be inserted into the breaker to reset it. The reset key is also used to adjust the current threshold and other settings.

In conclusion, IEGF6-31919-1 is a specialized circuit breaker designed for use in power systems. It is used to protect the system from overloading and short-circuiting, as well as managing the fault current and regulating voltage. The current threshold can be adjusted without having to open the breaker, making it easier to tune the breaker to the appropriate operating levels.

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